This video provides a basic introduction into the common units of length such as kilometers, meters, centimeters, millimeters, inches, feet, yards, and miles. The SI metric unit of length is the meter.
Unit Conversion:
https://www.youtube.com/watch?v=eK8gXP3pImU&t=1s
Dimensional Analysis:
https://www.youtube.com/watch?v=vWovdihteqs
The Metric System:
https://www.youtube.com/watch?v=0KiBYgx-30U&t=1s
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